Re: [PATCH v4 6/8] perf/tools: Enhance JSON/metric infrastructure to handle "?"

kajoljain
2020-03-13T12:27:07Z

On 3/12/20 4:22 PM, Jiri Olsa wrote:
> On Mon, Mar 09, 2020 at 11:55:50AM +0530, Kajol Jain wrote:
>
> SNIP
>
>> +static int metricgroup__add_metric_runtime_param(struct strbuf *events,
>> + struct list_head *group_list, struct pmu_event *pe)
>> +{
>> + int i, count;
>> + int ret = -EINVAL;
>> +
>> + count = arch_get_runtimeparam();
>> +
>> + /* This loop is added to create multiple
>> + * events depend on count value and add
>> + * those events to group_list.
>> + */
>> +
>> + for (i = 0; i < count; i++) {
>> + const char **ids;
>> + int idnum;
>> + struct egroup *eg;
>> + char value[PATH_MAX];
>> +
>> + expr__runtimeparam = i;
>> +
>> + if (expr__find_other(pe->metric_expr,
>> + NULL, &ids, &idnum) < 0)
>> + return ret;
>> +
>> + if (events->len > 0)
>> + strbuf_addf(events, ",");
>> +
>> + if (metricgroup__has_constraint(pe))
>> + metricgroup__add_metric_non_group(events, ids, idnum);
>> + else
>> + metricgroup__add_metric_weak_group(events, ids, idnum);
>> +
>> + eg = malloc(sizeof(struct egroup));
>> + if (!eg) {
>> + ret = -ENOMEM;
>> + return ret;
>> + }
>> + sprintf(value, "%s%c%d", pe->metric_name, '_', i);
>> + eg->ids = ids;
>> + eg->idnum = idnum;
>> + eg->metric_name = strdup(value);
>> + eg->metric_expr = pe->metric_expr;
>> + eg->metric_unit = pe->unit;
>> + list_add_tail(&eg->nd, group_list);
>> + ret = 0;
>> +
>> + if (ret != 0)
>> + break;
>
> the inside loop is essentialy what you factor out to
> metricgroup__add_metric_param right? please nove
> addition of metricgroup__add_metric_param function
> into separate patch
>
> jirka
>

Ok will put it in seperate patch.

Thanks,
kajol
>
>> + }
>> + return ret;
>> +}
>> +static int metricgroup__add_metric_param(struct strbuf *events,
>> + struct list_head *group_list, struct pmu_event *pe)
>> +{
>> +
>> + const char **ids;
>> + int idnum;
>> + struct egroup *eg;
>> + int ret = -EINVAL;
>> +
>> + if (expr__find_other(pe->metric_expr,
>> + NULL, &ids, &idnum) < 0)
>> + return ret;
>> + if (events->len > 0)
>> + strbuf_addf(events, ",");
>> +
>> + if (metricgroup__has_constraint(pe))
>> + metricgroup__add_metric_non_group(events, ids, idnum);
>> + else
>> + metricgroup__add_metric_weak_group(events, ids, idnum);
>> +
>> + eg = malloc(sizeof(struct egroup));
>> + if (!eg)
>> + ret = -ENOMEM;
>> +
>> + eg->ids = ids;
>> + eg->idnum = idnum;
>> + eg->metric_name = pe->metric_name;
>> + eg->metric_expr = pe->metric_expr;
>> + eg->metric_unit = pe->unit;
>> + list_add_tail(&eg->nd, group_list);
>> + ret = 0;
>> +
>> + return ret;
>> +}
>
> SNIP
>